UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kW8FAJfCDWTL6o5Brf/Kdr99cvHTdT9iDOTFQwUDvm4=' 
WHERE 
  key_id = '1955021e29b98ea5f66201202f96efce14a7f52debd3aee03f0eb73e273bcdb8' 
  AND (
    token = 'kW8FAJfCDWTL6o5Brf/Kdr99cvHTdT9iDOTFQwUDvm4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )