UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4O6ZQASyhKSVKEbhVbhh1DjtUvSyDOPPo7jbgwfR5W4=' 
WHERE 
  key_id = '4c5c9b68f56507d3afc0e862c6db90083fa5b3124cc1835f13ee23e1e9701fb3' 
  AND (
    token = '4O6ZQASyhKSVKEbhVbhh1DjtUvSyDOPPo7jbgwfR5W4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )