UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3ghbUaDwn9gh9S5IKxmjMUec8L4Qmwmu29zELoBxbmQ=' 
WHERE 
  key_id = '6c8a640d0e218216abf40dffa83bb730783742521a751383badaf92cd0e81029' 
  AND (
    token = '3ghbUaDwn9gh9S5IKxmjMUec8L4Qmwmu29zELoBxbmQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )