UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AQ/3PbAosLMXm2JbjEuVRpuuew5SEPXnD/zZSMBFiZk=' 
WHERE 
  key_id = '755796051883e6d81ca787eac904ba691806351682208560c9804fd33dd0e7cd' 
  AND (
    token = 'AQ/3PbAosLMXm2JbjEuVRpuuew5SEPXnD/zZSMBFiZk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )