UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RbrWB3BHzRDQV8Z2GSEvk3fKJmMrzCIAcP4oU1FAhh8=' 
WHERE 
  key_id = '5d1a2a0b41738263955656dabf98b90fef2c8175ed1622386c47f0e8579487d3' 
  AND (
    token = 'RbrWB3BHzRDQV8Z2GSEvk3fKJmMrzCIAcP4oU1FAhh8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00044