SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '5bbd774055a39c3f1b240f195abce64ce67de2be8c1e0188447262ae14ef5967' 
  AND token = 'zi9jSagGFEyW/DyoFTtQ4mbaGK2LPwpyqnq5fAtoaBU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

Explain
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE Impossible WHERE noticed after reading const tables