UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EEFzqIPVQxjH7azoNBc+97cv7yZoLhhlmDepbB3pdIk=' 
WHERE 
  key_id = '50a1bda9ed7e12177144c50fa444e2ffeacbbe799e7ceb7ee7dec73f95daf730' 
  AND (
    token = 'EEFzqIPVQxjH7azoNBc+97cv7yZoLhhlmDepbB3pdIk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )