UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FY5MT602I96jVmxqFiaPjQ2hIXF89U+CZz7Zjxunvec=' 
WHERE 
  key_id = '50c796d3925a1a73e92269a0f0b1ccbe50987b2dc2ef4fcbd20e00d807ab383e' 
  AND (
    token = 'FY5MT602I96jVmxqFiaPjQ2hIXF89U+CZz7Zjxunvec=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )