UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mM4uRK+thWjuNyI8d5e1gNs/O3dFePSIL2EGrlFnOQc=' 
WHERE 
  key_id = '8182ad2294a311c51a136e466df1e01c360be183e3894197ff903a2e250e6f73' 
  AND (
    token = 'mM4uRK+thWjuNyI8d5e1gNs/O3dFePSIL2EGrlFnOQc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )