SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '025c9e97ed364dc9acae80bcc88b823ccf27cdbf2f0563218553e8d4eee702db' 
  AND token = 'wjFBgIe3X0rKZOxLsdAvqCNJki4xo/UR8vD3XLQJoaE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00012

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