INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b15aa2d068e4e5cd733b6c8298fb981546f03e1eb478f0225a39c40d7f6039db', 
    '+1OTtP5W7wzu+ReVFljGL3D5BzKNGI8q8rsL+jKXgQM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)