UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nCqpgkF6r7w6XrK0g4hV55XalxAKkqSOP2jHxK32rrw=' 
WHERE 
  key_id = 'eaf8140cd8e69c290e7fc2b44d0e1e07d4c90f01cf57011e1daaae1b03b2ba8b' 
  AND (
    token = 'nCqpgkF6r7w6XrK0g4hV55XalxAKkqSOP2jHxK32rrw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )