UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Um4APOyYEefLB8JTh6mWfJNmUZyJLVMtS4huwiaG7H0=' 
WHERE 
  key_id = 'ab81993b1d12552b641e4ce34ce074a81ae64ba4bbf9e3922d1eef07a007faf9' 
  AND (
    token = 'Um4APOyYEefLB8JTh6mWfJNmUZyJLVMtS4huwiaG7H0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )