UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '//uVg4nyFhwmWKO1U5q7aDSAdkapxG7gmxqcHNFJYts=' 
WHERE 
  key_id = 'a1e71f66894128ef51cf73038ea640847a262709b37d1d20f8ca9c77d364d2d2' 
  AND (
    token = '//uVg4nyFhwmWKO1U5q7aDSAdkapxG7gmxqcHNFJYts=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )