INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4b61b65300ebf033128d3dc2269f7abb906e341a8d5560d47aa795654d29c91b', 
    'PSEK30z1R5BctUD1dClp+9kVPlW77m/FYovgupWm3iA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)