UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PaSBi65Inp967SSAhe5PfoneCBX6WlrRQ25vBDgXWQc=' 
WHERE 
  key_id = '49785e3a2984a481c013f099d1f90b9225dadfd6d7e3a3094d3ae819f7c97744' 
  AND (
    token = 'PaSBi65Inp967SSAhe5PfoneCBX6WlrRQ25vBDgXWQc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00037