UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gA/fkmtz3jMBgQKudqrgVf5T6xCRva/w8wfzxNMLF/c=' 
WHERE 
  key_id = '53d2a4d51814100276e56df9533c0192bccea5c6321d4b37c56735a130a76b84' 
  AND (
    token = 'gA/fkmtz3jMBgQKudqrgVf5T6xCRva/w8wfzxNMLF/c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )