UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N9z3yUpr0g7wxRdm3PDW0d6azjNwYLILvBbgEYzxkKk=' 
WHERE 
  key_id = '948e0e802723fc6995268608850476e1a2701628a436d7e5e43863029c1c5a1b' 
  AND (
    token = 'N9z3yUpr0g7wxRdm3PDW0d6azjNwYLILvBbgEYzxkKk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )