UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rEuV2vQ3lk6gKjgxMX3S5KQU8heLYXycwhyb2rjNxTk=' 
WHERE 
  key_id = '59595a65346dc8371ba647f33cbd68a44c5860d84ab64793afd98c8649219b2a' 
  AND (
    token = 'rEuV2vQ3lk6gKjgxMX3S5KQU8heLYXycwhyb2rjNxTk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )