UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rnp1c0zBpPPh+Z1MLuRS5fnRlM4BcmkmWZBXpcozxwk=' 
WHERE 
  key_id = '4b70029cfa494cadf53ce20af23e3b7a4933d143f75eed1d2dbba6c54f950ee1' 
  AND (
    token = 'rnp1c0zBpPPh+Z1MLuRS5fnRlM4BcmkmWZBXpcozxwk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )