UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8IzWhUXiQVG6K2qHKKBCwi72EF+duA6fJAZO6SPayfY=' 
WHERE 
  key_id = '50564040d3672b6cbd019d15ee3a500373705d6606a766e63f5509044f3bf97f' 
  AND (
    token = '8IzWhUXiQVG6K2qHKKBCwi72EF+duA6fJAZO6SPayfY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )