UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wSnOD6HIRv9WFAQ7ZZZwbcAlX0D2R4RZG7HEm7+x/04=' 
WHERE 
  key_id = 'f8c3739de8ffee45f854c510d61599224190174a3070cb409324fa5889352598' 
  AND (
    token = 'wSnOD6HIRv9WFAQ7ZZZwbcAlX0D2R4RZG7HEm7+x/04=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030